Future Technology

HDTV

HD TV refers to television having better quality (resolution) also referred to as digital TV. Its quality is a lot better than then traditional systems like standard TV’s or SDTV (standard-definition Television) and SD (secure digital). HD TV consists of one or two million pixels per frame this is about 5x greater then SD. HD is now digitally used, prior to this HD used analogue techniques but now editing and converting things to digital has become easier as compression was introduced, allowing us to make the format smaller and more portable.

There are 3 different types of HD. If your TV‘s at home are HD ready it uses Broadcast HD 720p. This is the lowest quality in HD and is manufactured to make normal TV look better so it is not the full HD. TV manufactures such as cables Virgin media and satellites SKY HD make and save a lot of money by doing this.

Most modern gadgets all in High Definition (HD) and soon in the feature they all will use HD. If you buy a modern gadget from the store it is most likely to be HD ready, from TV’s, Camcorders, computers even mobile phones everything is using HD technology in the modern world.

This means the future is in HD! The world at this current moment everything is shifting into HD. This will mean a rise in prices for equipment and gadgets, better quality and easier way to use things. This would be a lot better compared to the standard uses of video or TV as in HD the picture quality would be better also as time progresses and technology advances 3D or even 4D may be introduced to our homes as HD was.

Internet TV

Internet TV is a way for watching TV is an evolutional way to watch TV. Internet TV was introduced to the UK around 2005. It is a lot different to watching a normal television. Internet TV gives you more option on what to watch on the internet also it allows you to watch on demand. So if you have missed your favourite program or want to catch up from the beginning, internet TV allows you to do so.

Digital TV channels are linked in with internet TV. The main major channels on TV such as channel one which uses BBC iPlayer, Channel 4 which uses 4OD, Sky news even channels such as BET all have web pages for internet TV. 

This brings a lot of benefits for the feature. In the future I think that channels would start to increase this means that we would not have to pay for TV licence because it will enable us to watch all the channels on the internet. It will save coasts and won’t take up as much space in our house holds. Also in the future our laptops or PCs’ will be more advanced making internet TV phenomenal.

3D/4D

3D is a motion picture (moving images) that creates the illusion of something appearing more real in front of you. It shows images in more depth and surfaced. It is made from stereoscopic photography, 3D imaging that is able to record three dimensional visual creating an illusion of depth to the still image. 3D (Three dimensional) films have been hitting our cinemas rapidly in the last five years posing as the most popular way to watch the latest films. 3D is now even popular in hospitals, more and more people want to get ultra sound in 3D to view there unborn babies. This gives them a clearer picture of what there child looks like.

4D is a little bit like 3D but more advanced. 4D is four dimensional effects created in the same ways as 3D but the illusion depth is a lot greater. 4D uses people’s senses as well to create the effect as if the views are actually first hand in the movie.

4D is the future for movies! 4D would put the views in the shoes of the actor this would be an evolutional way to watch movies. With 4D you are able to feel what the actor is feeling and the future may even use all 5 senses whilst watching the cinemas. This would be a huge upgrade to 3D and will change the experience of the cinemas for ever. So far 4D is only used at in some places and resorts such as Universal studios in America where there is 4D Shrek is shown.

The future may even bring 3D and 4D into our homes. In the UK we have already experienced 3D shown in our living rooms when channel 4 dedicated a whole week to 3D in our homes. The future may even bring 4D to our homes this would change home entertainment in an immense way.

Television VS Mobile phones

Smart phones have become everyone’s best friend in the current world. Every where you go it is the first gadget that everyone has. Smart phones come in different shapes and forms and there is a variety to pick from. Black berries to Samsungs, iPhones and HTC each phone varies in its own speciality, down falls and up points. A Smart phone is a mobile phone that has applications and offers advanced computing ability and connectivity than a normal standard phone.

Smart phones have a wide range of different qualities as it allows you to do so much more than a standard mobile phone does. Smart phones have different markets such as Aneroid, RIM, Apple, Windows mobile and many more which allows you to download and buy apps, allowing your phone to have computing ability. Applications like Black berry messenger makes smart phones more social and also social networks such as Facebook, Skype and twitter make smart phones better for socialising. This is also one of its top qualities. Smart phones are now even now have build in HD in the cameras and also gaming is in high definition.

Personally I think that Smart phones are the leading gadgets in technology at this current moment in time. Smart phones combine Television, internet and communication all together in one small compact stylish object. Smart phones allow you to take you world with you in a small portable object. The styles of the sort of smart phone you can purchase is up to you. Some are made with big screens such as Samsung galaxy S so that watching TV or YouTube on your phone is satisfactory. Some are designed with a key pad for business reasons such as Black berry so typing is made easier. There are many qualities in different types of smart phones.

Smart phones are going to make the future brighter, modern technology already has created so much applications and uses for smart phones. In the near time future it is going to be a lot better and advanced, more applications and better quality recording will be added. Smart phones have nearly covered the nation and soon everyone will be using a smart phone because it is the future!

Camera Test

1.What are the 2 effects of increasing video gain?
The two effects of increasing video gain is to allow light in and to make the image brighter, but it makes the imgae granie.

2.What should the shutter speed usually be set to?
50


3.When should you increase shutter speed and what is a side effect of doing this?
If you want to make the images more clear and smoother. The side effect is that you would need more light

4. What is the purpose of doing a white balance?
So that the picture quality is better and light doesn't effect it and it can be adjusted to indoors and out doors.

5.What is the effect of increasing the audio gain?
It can pick up more sound but make sound bad

6.Describe the stages of focusing a camera?
Focus button.. zoom in to the hair. Expanded focus to check if its all right


7.Why would you use the ND filter?
To adjust bright conditions


8.If you are shooting in a dark location, would the exposure be better at F1 orF8?
F8

Digital video technology

Digital Video Technology

Digital has changed how we do things in the modern world. It has made things for us a lot simpler, from editing to watching TV. Because digital can be compressed into a smaller format this means we can use it in a more diverse way. We can upload things on to smaller things such as our iPods, smart phones and even memory sticks. Before we had digital we used analogue, the down falls of analogue is that it could not be compressed so everything was a lot harder to do. Editing in analogue takes long as the tape has to play over for example if the tape is an hour long it would take an hour long to get the tape uploaded on to the editing software. As for digital it is a lot quicker and simpler to edit tape because it can be compressed which means it can be quicker to upload. Digital brings us a multiplex variety of channels, interactive options and HD. Digital picture quality is good because most channels use HD. Also digital picture quality is better compared to analogue because its signals are not transmitted by waves. Digital does not use waves meaning the signals can reach further and are a lot better.

British Broadcasting

Britain’s broadcasting techniques has developed over time. We have a lot of different ways to broadcast media in the UK.

A popular method that is used by many is satellite. Satellites are popular because they orbit around the world in a circular or an elliptical way keeping connection interference to a minimum. It also has a large line of sight range, which means electro-magnetic radiation can travel far. Satellites are transmitted using microwaves, which are easily passed through the atmosphere. The benefits of satellites is that they don’t get interfered by hills or objects in front of them, they can give out signals without using radio waves, they transmit more channels for entertainment and also the quality of satellite is better signals transmit straight to your homes. Satellite usd to transmit analogue signals but are now digital. Most people in the UK use the Astra satellite group which is used by Sky, BBC and Free sat . Satellite is expensive

On the other hand terrestrial broadcasting does not involve using satellites or any cables but instead uses radio waves transmitted from the tower. Terrestrial broadcasting uses a tall transmitter placed in different locations. The reason why they are tall is so that they can reach a large area. The down falls of terrestrial broadcasting is that the antennas can’t be transmitted far like satellites, they don’t transmit over hills, signals may be lost if you travel away from the region the signals are being sent to and weather may affect the signals being sent out. As for satellites the signal is not lost as you travel because it is sent of from above land.

Cable TV transmits signals through fixed optical fibres or coaxial cables that go into peoples homes. Similar to satellite broadcasting you can get a wider variety of channels to watch but the drawbacks of having cable TV is that if your road has a certain cable type your home has to use the same. Cables can include packages of telephone, television and broadband this is a good way to save money also. A drawback of cable is that they are only allowed to install on type of cable into the road so everyone has to share the same network for example Virgin TV if they chose to switch to cable. Another drawback, like terrestrial broadcasting is that the weather affects the way the cable transmits to your TV. A benefit of cable TV is that it is cheaper than satellite and offers a wide range of channels. The cable network Virgin media is in high competition with the sattelite network Sky. Virgon media is the main UK cable provider, with 95% of the market.

Digital Broadcasting had been introduced to the UK not long ago. Digital broadcasting allows us to watch multiplex channels on 1 bandwidth which allows you to watch more than what terrestrial or cable TV can transmit lots of channels to your TV’s. Digital also have computers which encode TV signals into digital information, the information is sent as l's and o's pulses. These pulses can be compressed to take up much less bandwith then analogue, so more channels can be multiplexed together at baetter quality including HD (high definition) making it better quality. The bandwith that is left over is enough to transmit interactive information in the format of EPGs tec. The advantages of this are that there is more variety in channels which is good for the audience but not so good for the station because there is more competition.

Internet TV also known as internet protocol television (TPTV) was introduced to the UK around 2005. It is a lot different to all other broadcasting techniques as it is on demand plus you do not need a TV to watch anything all that is needed is internet connection or broadband. Broadband is an internet that is linked to your house phone so it does not lose internet or phone connection whilst both are in use. Internet TV is a popular way for people to view their favourite TV shows that they have missed or want to watch over from the start. Advantages for the audience are that they get to watch things when they want. TV is streamed and bufferd or downloaded. Stream and buffering is when you recivev the singals of what you are watching as you go. The show buffers which means taking in signals in and storing it as you go. Or people download the program/movie, downloading means when you get the whole thing on to the computer by downloading it. Another benefit is that the viewer can watch which episode or series of the particular program they want to view. An advantage for the broadcaster is that they can continue earning money by advertisements on the net so they do not lose out in money. A drawback would be that they are competing with other internet TV channels and also people may not watch TV as much. So their TV channels ratings may go down.